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WATER ELECTROLYSIS CATALYST

Resumen de: AU2024262055A1

A family of catalysts for oxygen evolution reaction (OER) in alkaline condition is disclosed. The catalysts utilize elements which are abundant on earth, leading to lower costs compared to IrCh catalysts. The catalysts can be used in the anode of an anion exchange membrane-based water electrolyzer. The family of new catalysts comprises Ni, Fe, M, B, and O, where M is a metal from Group VIB, Group VIII, and elements 57-71 of the Periodic Table. The catalyst has a layered double hydroxide structure. Methods of making the catalysts are also described.

TWO-ELECTRODE ELECTROCHEMICAL SYSTEM STABILIZATION

Resumen de: AU2024240321A1

An electrochemical system includes a counter electrode and a working electrode spaced from the counter electrode. The working electrode includes a substrate, an array of conductive projections supported by the substrate and extending outwardly from the substrate, each conductive projection of the array of conductive projections having a semiconductor composition, and including a surface, the surface including nitrogen, and an oxynitride layer disposed on the surface. The counter electrode and the working electrode are arranged in a two-electrode configuration.

A GEOTHERMAL HYDROGEN PRODUCTION AND COMPRESSION SYSTEM

Resumen de: AU2024236667A1

The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.

アノード触媒、アノード電極、及び電解反応器

Resumen de: JP2025157938A

【課題】触媒活性及び耐久性に優れたアノード触媒を提供する。【解決手段】組成式：Ｒｕ１－ｘＴａｘＯｙ（式中、ｘ、ｙは、０．３≦ｘ≦０．７、１．８＋０．４５ｘ≦ｙ≦２．２＋０．５５ｘを満たす）で表され、Ｘ線回折パターンにおける（１１０）面の回折ピークの半値幅が０．７°超である複合酸化物を含むことを特徴とするアノード触媒である。【選択図】なし

Caldera con máquina productora de hidrógeno y oxígeno

Resumen de: ES3039082A1

La Caldera con máquina productora de hidrógeno y oxígeno, con una cámara de combustión, comprende una máquina (1) equipada con al menos una celda electrolítica (2) conectada con la cámara de combustión para alimentarla en hidrógeno y oxígeno.

STEAM SULFUROUS MATERIAL REFORMING AND THERMOCHEMICAL CYCLES RELATED THERETO

Resumen de: WO2025217599A1

A method can include performing a series of reactions in a closed cycle, the series of reactions consisting of a hydrolysis reaction where a redox reagent is oxidized to a corresponding oxidized redox reagent with water contemporaneously with the production of hydrogen; and a reduction reaction where the oxidized redox reagent is reduced to the redox reagent using a sulfurous reactant contemporaneously with production of sulfur dioxide.

CLOSED-CYCLE USE OF HYDROGEN AND OXYGEN FOR CARBON CAPTURE AND EMISSIONS REDUCTION

Resumen de: WO2025217582A1

Embodiments of the present disclosure provide for a processing system and methods for carbon capture and emissions reduction associated with industrial processes. The processing system includes an electrolysis plant, a first kiln, a second kiln, and a carbon capture system. The electrolysis plant configured to generate oxygen and hydrogen from a first amount of water. The first kiln is configured to receive the oxygen generated by the electrolysis plant and to produce a second amount of water, a commercial product, and flue gas via an oxy-combustion reaction. The second kiln is configured to receive the hydrogen generated by the electrolysis plant and to produce a third amount of water, the commercial product, and an exhaust gas via a combustion reaction. The carbon capture system is configured to receive flue gas from the first kiln.

METHOD OF HIGH EFFICIENCY ELECTRICAL HEATING FOR A THERMOCHEMICAL PROCESS

Resumen de: WO2025217322A1

Various aspects of this disclosure relate to large-scale commercial systems and methods of thermochemical processes to produce green hydrogen or syngas from one or more of a hydrocarbon, H2O, and CO2 via a thermochemical gas splitting reactor system. In some embodiments, the systems and methods include a standalone thermochemical reactor that bypasses the requirement for direct concentrated solar radiation as the source of process heat. In some embodiments, the systems and methods include a well-insulated, refractory-lined steel pressure vessel, in which process gases heated indirectly via radiation can be delivered to facilitate the desired thermochemical reactions in a fluidized bed configuration.

STAINLESS STEEL MATERIAL FOR SOLID OXIDE WATER ELECTROLYSIS

Resumen de: WO2025216105A1

Provided is a stainless steel material for solid oxide water electrolysis, which contains, on a mass basis, 0.030% or less of C, 1.6% to 3.5% of Si, 0.10% to 1.00% of Mn, 0.050% or less of P, 0.0030% or less of S, 16.0% to 21.0% of Cr, 1.00% or less of Al, 0.030% or less of N, 1.00% or less of Nb, 1.00% or less of Ti, 1.00% or less of Ni, and 1.00% or less of Cu, with the balance being made up of Fe and impurities.

USING ELECTRICAL RESERVOIR STIMULATION TO ENGINEER A GEOLOGIC BATTERY FOR LONG-TERM ENERGY STORAGE AND HYDROGEN GENERATION

Resumen de: US2025320803A1

This disclosure describes systems and methods for using electrical stimulation of a rock formation (e.g., a subterranean formation, a subterranean reservoir) to improve, or otherwise enhance, the energy storage capabilities of the rock formation. Many existing rock formations are too impermeable to facilitate energy storage; however, the Inventors have recognized and appreciated that a “geobattery” may be constructed by using electrical stimulation to increase the permeability of a rock formation (e.g., a subterranean formation) such that water (or some other fluid) can be pumped into the rock formation, in particular, a reservoir within the rock formation, and converted into hydrogen to store the energy within the hydrogen.

GAS MANAGEMENT SYSTEM FOR AN ELECTROCHEMICAL CELL

Resumen de: US2025320615A1

A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.

SYSTEMS AND METHODS FOR GEOLOGIC HYDROGEN PRODUCTION

Resumen de: WO2025217223A1

Geologic hydrogen production and related systems and methods are generally described.

AMMONIA DECOMPOSING CATALYST AND METHOD FOR PRODUCING SAME

Resumen de: EP4631617A1

The present invention pertains to an ammonia decomposing catalyst and a method for producing same. More specifically, the present invention pertains to: an ammonia decomposing catalyst containing an MgAl₂O₄ spinel support and ruthenium, the content of ruthenium being 0.1-5 wt% of the total weight of the catalyst; and a method for producing same.

Catalyst-coated membranes for water electrolysis

Resumen de: GB2640128A

A catalyst-coated membrane (10) for a water electrolyser is provided. The catalyst-coated membrane comprises a polymer electrolyte membrane with an anode catalyst layer (12) on a first side of the membrane (14). The anode catalyst layer (12) comprises an oxygen evolution reaction catalyst containing at least one noble metal at a loading of the oxygen evolution reaction catalyst, based on the noble metal content, of less than or equal to 0.6 mg/cm2 . The polymer electrolyte membrane comprises a membrane layer comprising dispersed platinum group metal-containing nanoparticles (20), a nanoparticle stabilising agent and an ion-conducting polymer.

GAS PRESSURE CONTROLS FOR A WATER ELECTROLYZER PLANT

Resumen de: EP4632109A1

The present disclosure relates to systems and methods for increasing efficiency and performance by balancing pressure in electrolytic cell. The present disclosure relates to systems and methods of utilizing different valves for controlling absolute pressure and differential in the electrolytic cell system based on hydrogen demand and the operating state of the system.

FUEL SUPPLY SYSTEM FOR A COMBUSTION ENGINE, SYSTEM COMPONENTS AND METHODS

Resumen de: EP4632214A1

The invention relates to generating fuel for an internal combustion engine such as a piston engine or a gas turbine. The invention relates to a system, apparatuses and methods for producing hydrogen and for hydrogen fuel enhancement. The invention relates in particular to an electrolyser that comprises an electrolyser housing enclosing an interior space that is adapted for containing a water reservoir. The electrolyser housing comprises a side wall and a top cover and a bottom cover that are tightly connected to the side wall. The electrolyser further comprises a plurality of elongate electrodes that extend from the bottom cover and/or the top cover into the interior space enclosed by the electrolyser housing. The electrodes are electrically isolated from the electrolyser housing and are electrically connected to electric conductors for feeding DC current to the electrodes. The electric connections are configured to connect electrodes acting as cathodes to a negative voltage terminal of a DC electric power source and to connect electrodes acting as anodes to a positive voltage terminal of a DC electric power source..The invention further relates to a method of producing hydrogen enhanced hydrocarbon fuel comprising the steps of.- producing hydrogen from water by means of an electrolyser- vaporizing hydrocarbon fuel- mixing the hydrogen and the vaporized hydrocarbon fuel- compressing the mixture of hydrogen and the vaporized hydrocarbon fuel, and- ionizing the compressed mixtu

A METHOD FOR PRODUCING HYDROGEN GAS FROM NON-PURIFIED WATER VIA SULPHUR DEPOLARIZED ELECTROLYSIS (SDE)

Resumen de: EP4632107A1

A method for producing hydrogen gas from non-purified water via sulphur depolarized electrolysis (SDE), said method comprises the steps of providing at least one electrochemical cell (2), which comprises at least one positive electrode (A) and at least one negative electrode (C), separated by a proton conductive membrane (3), non-purified water supply means (51) configured to supply non-purified water to the cathode, sulphur dioxide supply means (S2) configured to supply sulphur dioxide to the anode, electrical connecting means (4) configured to connect the anode (A) and the cathode (C) to an external power source (P), supplying non-purified water to the cathode, supplying sulphur dioxide to the anode, applying a voltage of at least 0.45 V and up to 1.37 V to the electrodes (A, C) to cause an electrolysis reaction that produces hydrogen gas at the cathode and sulphuric acid at the anode, removing produced hydrogen gas from the cathode and produced sulphuric acid from the anode.

プロセス及び膜

Resumen de: CN119866394A

A method for producing an ion conducting membrane comprising a membrane layer comprising a reconstitution catalyst. The film layer is made from an ink comprising a stabilized dispersion of reconstitution catalyst nanoparticles. Also provided are ion conducting membranes for electrochemical devices, such as fuel cells or water electrolysers, having a membrane layer comprising a reconstitution catalyst, the membrane layer comprising dispersed reconstitution catalyst nanoparticles, a nanoparticle stabilizer, and an ion conducting polymer.

IMPROVEMENTS RELATING TO HYDROGEN ELECTROLYSIS SYSTEMS

Resumen de: CN120187948A

A hydrogen production system comprising a wind turbine facility comprising a wind turbine generator (18) connected to a hydrogen electrolyser (30) by a power converter system (22). A power converter system (22) includes a generator-side converter (24) and an electrolyzer-side converter (26) electrically coupled together by a DC link (28), and a converter controller (50) including a generator-side control module (50) coupled to the generator-side converter and an electrolyzer-side control module (52) coupled to the electrolyzer-side converter. The converter controller is configured to control the load torque on the wind turbine generator and the electrical power fed to the electrolysis cell to achieve a mechanical damping function associated with the wind turbine facility while maintaining a stable DC link voltage. Accordingly, advantageously, the wind turbine facility can achieve active control of the electromechanical damping system while operating the electrolysis cell at an effective operating point.

PROCESSES FOR PREPARING LITHIUM HYDROXIDE

Resumen de: EP4631606A2

There is provided a system for preparing lithium hydroxide. The system comprises:an electrolysis cell, defining an anodic compartment separated from a central compartment by an anion exchange membrane and a cathodic compartment separated from said central compartment by a cation exchange membrane. The central compartment comprising at least one inlet for receiving an aqueous composition comprising lithium compound. The cathodic compartment comprises at least one cathode wherein said cathode is configured to produce a lithium hydroxide-enriched aqueous composition. A pH probe and at least one inlet for receiving acid or base for at least substantially maintaining the pH of said aqueous composition comprising said lithium compound at about 1 to about 4 is also provided.

ELECTROLYTIC CELL AND ELECTROLYTIC APPARATUS

Resumen de: EP4632113A1

The electrolysis cell according to the present disclosure includes: a first separator including a first surface; a second separator disposed with an accommodating space apart from the first separator, the second separator including a second surface facing the first surface; an ion-exchange membrane disposed in the accommodation space; a first power feeder disposed between the first separator and the ion-exchange membrane; a first catalyst layer disposed between the first power feeder and the ion-exchange membrane; a second power feeder disposed between the second separator and the ion-exchange membrane; a second catalyst layer disposed between the second power feeder and the ion-exchange membrane; and a flow direction changing part provided as a part of the first separator or disposed between the first separator and the first power feeder, the flow direction changing part changing a flow direction of at least a portion of an electrolyte flowing along the first surface in a first direction to a second direction intersecting the first surface at each of a plurality of positions in the first direction.

触媒及びその製造方法、触媒を含む金属空気二次電池用の電極又は水電解システム用の電極、並びに電極を含む金属空気二次電池又は水電解システム

Resumen de: US2024145732A1

Provided is a catalyst excellent in both oxygen reduction catalytic performance and oxygen evolution catalytic performance and making effective use of biomass, a manufacturing method thereof, an electrode for a metal-air secondary battery or a water electrolysis system containing the catalyst, and a metal-air secondary battery or a water electrolysis system containing the electrode.Provided is a catalyst containing a calcined product of a mixture including biomass-derived cellulose nanofibers and a dry matter containing proteins or amino acids, a manufacturing method thereof, an electrode for a metal-air secondary battery or an electrode for a water electrolysis system containing the catalyst, and a metal-air secondary battery or a water electrolysis system containing the electrode.

GAS MANAGEMENT SYSTEM FOR AN ELECTROCHEMICAL CELL

Resumen de: EP4632108A1

A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.

HIGH-EFFICIENCY DISSOLUTION OR DEGASSING APPARATUS AND HYDROGEN WATER PRODUCTION SYSTEM HAVING THE SAME

Resumen de: KR20250148076A

본 발명은 고효율 용해탈기장치 및 그것이 구비된 수소수 제조시스템에 관한 것으로, 본 발명은 양측면이 막힌 원통 형태의 하우징; 상기 하우징의 내부 가운데 부분에 위치하여 하우징 내부 양측으로 각각 가스공간을 형성하며, 각각 길이 방향으로 중공된 중공섬유들이 다발로 결합된 중공섬유 다발체; 상기 하우징과 중공섬유 다발체를 길이 방향으로 관통하며, 내부로 액체가 유동하되, 내부로 유동하는 액체가 상기 중공섬유 다발체의 중공섬유들 사이를 거치면서 유동하도록 안내하는 확산형 유체유동관; 상기 하우징의 한쪽 가스공간과 연통되도록 하우징의 한쪽에 연결되는 제1 가스연결관; 상기 하우징의 다른 한쪽 가스공간과 연통되도록 하우징의 다른 한쪽에 연결되는 제2 가스연결관을 포함한다. 본 발명에 따르면, 수소수를 구성하는 초순수의 순도를 높일 뿐만 아니라 초순수에 용해되는 수소 가스의 용해 효율을 높인다.

三电极体系用析氧阳极的制备方法、析氧阳极及应用

Nº publicación: CN120776354A 14/10/2025

Solicitante:

华燚新能源材料（上海）有限公司

Resumen de: CN120776354A

本发明涉及一种三电极体系用析氧阳极的制备方法、析氧阳极及应用,该制备方法步骤为：基于待制备的析氧阳极所应负载的催化剂，选择并称取催化剂涉及的金属元素对应的金属盐，并制备所选择金属盐的混合溶液；以及选择可燃有机溶剂；将待制备的析氧阳极的载体置于之前所得的混合溶液中，通过电沉积得到负载有金属盐的载体；将之前所得载体浸泡在所述可燃有机溶剂中，之后点燃，充分燃烧后得到含有高熵合金氧化物的析氧阳极。本发明的优点是：制备方法操作简单，耗时短，不涉及高温炉加热，在可燃有机溶剂燃烧后即可形成干燥的析氧阳极，不需要酸洗或干燥处理，可直接应用于电解水，并具有良好的机械稳定性、良好的析氧活性和催化稳定性。